The Elements of color : a treatise on the color system of Johannes Itten, based on his book The art of color 2026-02-16T12:54:27+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Itten, Johannes (John Wiley & Sons, 2003)